Building Braking Devices TRIZ Cases

A viscous damper assembly uses a heat-reshaped tether bulb to join mechanical components securely.

Repositioning the pressure roller on a segmented cam disc adapts torque profiles for fire protection compliance across multiple operating modes.

A motor vehicle door magnetic actuator uses electromagnetic coils to brake or hold the door leaf based on sensor data.

A transmission member actuates a blocking device to regulate the closing sequence, preventing overlapping leaf collisions.

A vehicle hinge drive uses a linear gear train to transmit torque, reducing volume and manufacturing costs compared to complex multi-axis structures.

An electric braking device replaces hydraulic oil with a generator and control electronics, enabling precise speed regulation without flammable fluids.

A door stop device uses a rope and lockable ring to attach to a door handle, eliminating the need for users to bend over or risk losing the unit.

An angled dual platform bumper system with deflectable ribs absorbs energy to prevent split tailgate oscillation and over-travel.

A vehicle door hinge uses a compressible check structure to retain the door in the fully open position.

A stamped sheet metal door checker uses a variable height profile and sliding ball bearing to hold doors open.

An integrated locking and sealing ring prevents thread damage and twisting in door drive valves.

A retraction device uses a pivoting and sliding joint to guide the driver element along a curved track path.

A four-link door hinge integrates a sliding damper within the hinge cup to cushion self-closing motion.

An auxiliary spring on a slide rail balances closing power against opening resistance for smoother operation.

Direct piston rod face contact transfers compressive loads to the seat, preventing plastic connecting element damage during insertion.

A segmented door operator design simplifies assembly through modular base plate integration.

A vehicle door drive device uses sensor signals to distinguish user actions from gravity-induced movement.

Nested shielded barriers protect ribbon springs from track contamination while a cam mechanism locks the brake shoe against guide walls.

A movable spring housing retracts above a wedge stop to maximize window opening size, enabling unobstructed fire escape while preventing child falls.

Kinematic door control mechanism uses an elastic stop component to constrain opening angle, eliminating floor-mounted stops that cause assembly complexity.

A pressure compensation device uses a piston to manage hydraulic fluid volume changes within a door drive housing.

An adjustable roller assembly converts sliding friction to rolling motion, preventing wear on the door finish while enabling precise installation alignment.

An integrated damping element within the hinge mechanism prevents violent collisions while preserving full cabinet interior access.

Separate elastic insert automatically secures mounting pin during insertion, eliminating screw-based assembly effort and tool requirements.

An elastic spring mechanism applies counterbalancing torque to the nacelle cowl hinge, reducing manual operator effort during maintenance access.

A sliding fire gate integrates a mechanical locking system with a tensioning spring and bolt to secure the passage door during motion.

A hydraulic window drive uses a gas volume in the spring chamber to equalize pressure through fluid transfer.

Pre-tensioned tension spring absorbs kinetic energy at dead center, reducing noise and preventing damage without electrical power.

A spring-based power assist device provides automatic assistance force to an aircraft luggage piston rod without electrical energy.

An elastomer element merges damping and holding functions in a door wing locking device, reducing slide rail length while enabling adjustable opening angles.

A pantograph hinge mechanical stop complements a connecting rod flange to form a radial bond, resolving lateral sliding clearance issues.

Radio communication between signal transmitters and control units eliminates complex cabling across fire walls while maintaining reliable door release.